virtual enum CXChildVisitResult visit(CXCursor cursor, CXCursor parent) {
CXFile file;
unsigned int line, column, offset;
clang_getInstantiationLocation(
clang_getCursorLocation(cursor),
&file, &line, &column, &offset);
CXCursorKind kind = clang_getCursorKind(cursor);
const char* cursorFilename = clang_getCString(clang_getFileName(file));
if (!clang_getFileName(file).data || strcmp(cursorFilename, translationUnitFilename) != 0) {
return CXChildVisit_Continue;
}
CXCursor refCursor = clang_getCursorReferenced(cursor);
if (!clang_equalCursors(refCursor, clang_getNullCursor())) {
CXFile refFile;
unsigned int refLine, refColumn, refOffset;
clang_getInstantiationLocation(
clang_getCursorLocation(refCursor),
&refFile, &refLine, &refColumn, &refOffset);
if (clang_getFileName(refFile).data) {
std::string referencedUsr(clang_getCString(clang_getCursorUSR(refCursor)));
if (!referencedUsr.empty()) {
std::stringstream ss;
ss << cursorFilename
<< ":" << line << ":" << column << ":" << kind;
std::string location(ss.str());
usrToReferences[referencedUsr].insert(location);
}
}
}
return CXChildVisit_Recurse;
}
std::string Cursor::get_usr() const
{
UniqueCXString cx_string(clang_getCursorUSR(m_cx_cursor));
if ( !cx_string ) {
CLANGXX_THROW_LogicError("Error retrieving a Unified Symbol Resolution (USR) for the entity referenced by this cursor.");
}
return clang_getCString(cx_string.get());
}
void ClangParser::linkIdentifier(CodeOutputInterface &ol,FileDef *fd,
uint &line,uint &column,const char *text,int tokenIndex)
{
CXCursor c = p->cursors[tokenIndex];
CXCursor r = clang_getCursorReferenced(c);
if (!clang_equalCursors(r, c))
{
c=r; // link to referenced location
}
CXCursor t = clang_getSpecializedCursorTemplate(c);
if (!clang_Cursor_isNull(t) && !clang_equalCursors(t,c))
{
c=t; // link to template
}
CXString usr = clang_getCursorUSR(c);
const char *usrStr = clang_getCString(usr);
Definition *d = usrStr ? Doxygen::clangUsrMap->find(usrStr) : 0;
//CXCursorKind kind = clang_getCursorKind(c);
//if (d==0)
//{
// printf("didn't find definition for '%s' usr='******' kind=%d\n",
// text,usrStr,kind);
//}
//else
//{
// printf("found definition for '%s' usr='******' name='%s'\n",
// text,usrStr,d->name().data());
//}
if (d && d->isLinkable())
{
if (g_insideBody &&
g_currentMemberDef && d->definitionType()==Definition::TypeMember &&
(g_currentMemberDef!=d || g_currentLine<line)) // avoid self-reference
{
addDocCrossReference(g_currentMemberDef,(MemberDef*)d);
}
writeMultiLineCodeLink(ol,fd,line,column,d,text);
}
else
{
codifyLines(ol,fd,text,line,column);
}
clang_disposeString(usr);
}
void ClangParser::linkIdentifier(CodeOutputInterface &ol, QSharedPointer<FileDef> fd,
uint &line, uint &column, const QString &text, int tokenIndex)
{
CXCursor c = p->cursors[tokenIndex];
CXCursor r = clang_getCursorReferenced(c);
if (! clang_equalCursors(r, c)) {
// link to referenced location
c = r;
}
CXCursor t = clang_getSpecializedCursorTemplate(c);
if (! clang_Cursor_isNull(t) && !clang_equalCursors(t, c)) {
// link to template
c = t;
}
CXString usr = clang_getCursorUSR(c);
const char *usrStr = clang_getCString(usr);
QSharedPointer<Definition> d;
if (usrStr) {
d = Doxy_Globals::clangUsrMap.value(usrStr);
}
if (d && d->isLinkable()) {
if (g_insideBody && g_currentMemberDef && d->definitionType() == Definition::TypeMember &&
(g_currentMemberDef != d || g_currentLine < line)) {
// avoid self-reference
addDocCrossReference(g_currentMemberDef, d.dynamicCast<MemberDef>());
}
writeMultiLineCodeLink(ol, fd, line, column, d, text);
} else {
codifyLines(ol, fd, text, line, column, "");
}
clang_disposeString(usr);
}
enum CXChildVisitResult USRVisitor(CXCursor C, CXCursor parent,
CXClientData ClientData) {
VisitorData *Data = (VisitorData *)ClientData;
if (!Data->Filter || (C.kind == *(enum CXCursorKind *)Data->Filter)) {
CXString USR = clang_getCursorUSR(C);
if (!clang_getCString(USR)) {
clang_disposeString(USR);
return CXChildVisit_Continue;
}
printf("// %s: %s %s", FileCheckPrefix, GetCursorSource(C),
clang_getCString(USR));
PrintCursorExtent(C);
printf("\n");
clang_disposeString(USR);
return CXChildVisit_Recurse;
}
return CXChildVisit_Continue;
}
static void printCursor(CXCursor cursor)
{
CXFile file;
unsigned int off, line, col;
CXSourceLocation location = clang_getCursorLocation(cursor);
clang_getSpellingLocation(location, &file, &line, &col, &off);
CXString fileName = clang_getFileName(file);
const char *fileNameCStr = clang_getCString(fileName);
if (fileNameCStr) {
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned int start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
printf("%s:%d:%d (%d, %d-%d) ", fileNameCStr, line, col, off, start, end);
}
clang_disposeString(fileName);
printString("kind", clang_getCursorKindSpelling(clang_getCursorKind(cursor)));
printString("display name", clang_getCursorDisplayName(cursor));
printString("usr", clang_getCursorUSR(cursor));
if (clang_isCursorDefinition(cursor))
printf("definition ");
printf("\n");
}
bool IndexerJob::handleCursor(const CXCursor &cursor, CXCursorKind kind, const Location &location)
{
CursorInfo &info = mData->symbols[location];
if (!info.symbolLength || !RTags::isCursor(info.kind)) {
CXStringScope name = clang_getCursorSpelling(cursor);
const char *cstr = name.data();
info.symbolLength = cstr ? strlen(cstr) : 0;
info.type = clang_getCursorType(cursor).kind;
if (!info.symbolLength) {
// this is for these constructs:
// typedef struct {
// int a;
// } foobar;
//
// We end up not getting a spelling for the cursor
switch (kind) {
case CXCursor_ClassDecl:
info.symbolLength = 5;
info.symbolName = "class";
break;
case CXCursor_UnionDecl:
info.symbolLength = 5;
info.symbolName = "union";
break;
case CXCursor_StructDecl:
info.symbolLength = 6;
info.symbolName = "struct";
break;
default:
mData->symbols.remove(location);
return false;
}
} else {
info.symbolName = addNamePermutations(cursor, location);
}
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
info.start = start;
info.end = end;
if (kind == CXCursor_EnumConstantDecl) {
#if CLANG_VERSION_MINOR > 1
info.enumValue = clang_getEnumConstantDeclValue(cursor);
#else
info.definition = clang_isCursorDefinition(cursor);
#endif
} else{
info.definition = clang_isCursorDefinition(cursor);
}
info.kind = kind;
const String usr = RTags::eatString(clang_getCursorUSR(cursor));
if (!usr.isEmpty())
mData->usrMap[usr].insert(location);
switch (info.kind) {
case CXCursor_Constructor:
case CXCursor_Destructor: {
Location parentLocation = createLocation(clang_getCursorSemanticParent(cursor));
// consider doing this for only declaration/inline definition since
// declaration and definition should know of one another
if (parentLocation.isValid()) {
CursorInfo &parent = mData->symbols[parentLocation];
parent.references.insert(location);
info.references.insert(parentLocation);
}
break; }
case CXCursor_CXXMethod: {
List<CursorInfo*> infos;
infos.append(&info);
addOverriddenCursors(cursor, location, infos);
break; }
default:
break;
}
}
return true;
}
std::string cursor::unified_symbol()
{
return string(clang_getCursorUSR(cur)).str();
}
QCString ClangParser::lookup(uint line,const char *symbol)
{
//printf("ClangParser::lookup(%d,%s)\n",line,symbol);
QCString result;
if (symbol==0) return result;
static bool clangAssistedParsing = Config_getBool(CLANG_ASSISTED_PARSING);
if (!clangAssistedParsing) return result;
int sl = strlen(symbol);
uint l = p->getCurrentTokenLine();
while (l>=line && p->curToken>0)
{
if (l==line) // already at the right line
{
p->curToken--; // linear search to start of the line
l = p->getCurrentTokenLine();
}
else
{
p->curToken/=2; // binary search backward
l = p->getCurrentTokenLine();
}
}
bool found=FALSE;
while (l<=line && p->curToken<p->numTokens && !found)
{
CXString tokenString = clang_getTokenSpelling(p->tu, p->tokens[p->curToken]);
//if (l==line)
//{
// printf("try to match symbol %s with token %s\n",symbol,clang_getCString(tokenString));
//}
const char *ts = clang_getCString(tokenString);
int tl = strlen(ts);
int startIndex = p->curToken;
if (l==line && strncmp(ts,symbol,tl)==0) // found partial match at the correct line
{
int offset = tl;
while (offset<sl) // symbol spans multiple tokens
{
//printf("found partial match\n");
p->curToken++;
if (p->curToken>=p->numTokens)
{
break; // end of token stream
}
l = p->getCurrentTokenLine();
clang_disposeString(tokenString);
tokenString = clang_getTokenSpelling(p->tu, p->tokens[p->curToken]);
ts = clang_getCString(tokenString);
tl = ts ? strlen(ts) : 0;
// skip over any spaces in the symbol
char c;
while (offset<sl && ((c=symbol[offset])==' ' || c=='\t' || c=='\r' || c=='\n'))
{
offset++;
}
if (strncmp(ts,symbol+offset,tl)!=0) // next token matches?
{
//printf("no match '%s'<->'%s'\n",ts,symbol+offset);
break; // no match
}
//printf("partial match '%s'<->'%s'\n",ts,symbol+offset);
offset+=tl;
}
if (offset==sl) // symbol matches the token(s)
{
CXCursor c = p->cursors[p->curToken];
CXString usr = clang_getCursorUSR(c);
//printf("found full match %s usr='******'\n",symbol,clang_getCString(usr));
result = clang_getCString(usr);
clang_disposeString(usr);
found=TRUE;
}
else // reset token cursor to start of the search
{
p->curToken = startIndex;
}
}
clang_disposeString(tokenString);
p->curToken++;
if (p->curToken<p->numTokens)
{
l = p->getCurrentTokenLine();
}
}
//if (!found)
//{
// printf("Did not find symbol %s at line %d :-(\n",symbol,line);
//}
//else
//{
// printf("Found symbol %s usr=%s\n",symbol,result.data());
//}
return result;
}
String cursorToString(CXCursor cursor, unsigned flags)
{
const CXCursorKind kind = clang_getCursorKind(cursor);
String ret;
ret.reserve(256);
ret += eatString(clang_getCursorKindSpelling(kind));
if (clang_isInvalid(kind))
return ret;
switch (RTags::cursorType(kind)) {
case Reference:
ret += " r";
break;
case Cursor:
ret += " c";
break;
case Other:
ret += " o";
break;
case Include:
ret += " i";
break;
}
const String name = eatString(clang_getCursorDisplayName(cursor));
const String other = eatString(clang_getCursorSpelling(cursor));
if (!name.isEmpty())
ret += " " + name;
if (other != name && !other.isEmpty())
ret += " " + other;
if (clang_isCursorDefinition(cursor))
ret += " def";
if (flags & IncludeUSR)
ret += " " + eatString(clang_getCursorUSR(cursor));
CXFile file;
unsigned off, line, col; //presumedLine, presumedCol, instantiationLoc, expansionLoc;
CXSourceLocation location = clang_getCursorLocation(cursor);
clang_getSpellingLocation(location, &file, &line, &col, &off);
// clang_getPresumedLocation(location, 0, &presumedLine, &presumedCol);
// clang_getInstantiationLocation(location, 0, 0, 0, &instantiationLoc);
// clang_getExpansionLocation(location, 0, 0, 0, &expansionLoc);
const Str fileName(clang_getFileName(file));
if (fileName.data() && *fileName.data()) {
ret += ' ';
ret += fileName.data();
ret += ',';
ret += String::number(off);
if (flags & IncludeRange) {
ret += " (";
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
ret += String::number(start);
ret += '-';
ret += String::number(end);
ret += ')';
}
// if (presumedLine != line || presumedCol != col)
// ret += String::snprintf<32>("presumed: %d:%d", presumedLine, presumedCol);
// if (instantiationLoc != off)
// ret += String::snprintf<32>("instantiation: %d", instantiationLoc);
// if (expansionLoc != off)
// ret += String::snprintf<32>("expansion: %d", expansionLoc);
}
return ret;
}
bool ClangIndexer::handleCursor(const CXCursor &cursor, CXCursorKind kind, const Location &location)
{
// error() << "Got a cursor" << cursor;
std::shared_ptr<CursorInfo> &info = mData->symbols[location];
if (!info)
info = std::make_shared<CursorInfo>();
if (!info->symbolLength) {
// if (mLogFile) {
// String out;
// Log(&out) << cursor << a;
// fwrite(out.constData(), 1, out.size(), mLogFile);
// fwrite("\n", 1, 1, mLogFile);
// }
CXStringScope name = clang_getCursorSpelling(cursor);
const char *cstr = name.data();
info->symbolLength = cstr ? strlen(cstr) : 0;
info->type = clang_getCursorType(cursor).kind;
if (!info->symbolLength) {
// this is for these constructs:
// typedef struct {
// int a;
// } foobar;
//
// We end up not getting a spelling for the cursor
switch (kind) {
case CXCursor_ClassDecl:
info->symbolLength = 5;
info->symbolName = "class";
break;
case CXCursor_UnionDecl:
info->symbolLength = 5;
info->symbolName = "union";
break;
case CXCursor_StructDecl:
info->symbolLength = 6;
info->symbolName = "struct";
break;
default:
mData->symbols.remove(location);
return false;
}
} else {
info->symbolName = addNamePermutations(cursor, location);
}
CXSourceRange range = clang_getCursorExtent(cursor);
CXSourceLocation rangeStart = clang_getRangeStart(range);
CXSourceLocation rangeEnd = clang_getRangeEnd(range);
unsigned startLine, startColumn, endLine, endColumn;
clang_getPresumedLocation(rangeStart, 0, &startLine, &startColumn);
clang_getPresumedLocation(rangeEnd, 0, &endLine, &endColumn);
info->startLine = startLine;
info->startColumn = startColumn;
info->endLine = endLine;
info->endColumn = endColumn;
if (kind == CXCursor_EnumConstantDecl) {
#if CINDEX_VERSION_MINOR > 1
info->enumValue = clang_getEnumConstantDeclValue(cursor);
#else
info->definition = 1;
#endif
} else {
info->definition = clang_isCursorDefinition(cursor);
}
info->kind = kind;
// apparently some function decls will give a different usr for
// their definition and their declaration. Using the canonical
// cursor's usr allows us to join them. Check JSClassRelease in
// JavaScriptCore for an example.
const String usr = RTags::eatString(clang_getCursorUSR(clang_getCanonicalCursor(cursor)));
if (!usr.isEmpty())
mData->usrMap[usr].insert(location);
switch (info->kind) {
case CXCursor_Constructor:
case CXCursor_Destructor: {
Location parentLocation = createLocation(clang_getCursorSemanticParent(cursor));
// consider doing this for only declaration/inline definition since
// declaration and definition should know of one another
if (parentLocation.isValid()) {
std::shared_ptr<CursorInfo> &parent = mData->symbols[parentLocation];
if (!parent)
parent = std::make_shared<CursorInfo>();
parent->references.insert(location);
info->references.insert(parentLocation);
}
break; }
case CXCursor_CXXMethod: {
List<CursorInfo*> infos;
infos.append(info.get());
addOverriddenCursors(cursor, location, infos);
break; }
default:
break;
}
}
return true;
}
void ClangIndexer::handleReference(const CXCursor &cursor, CXCursorKind kind, const Location &location, const CXCursor &ref, const CXCursor &parent)
{
const CXCursorKind refKind = clang_getCursorKind(ref);
if (clang_isInvalid(refKind)) {
superclassTemplateMemberFunctionUgleHack(cursor, kind, location, ref, parent);
return;
}
bool isOperator = false;
if (kind == CXCursor_CallExpr && (refKind == CXCursor_CXXMethod
|| refKind == CXCursor_ConversionFunction
|| refKind == CXCursor_FunctionDecl
|| refKind == CXCursor_FunctionTemplate)) {
// these are bullshit, for this construct:
// foo.bar();
// the position of the cursor is at the foo, not the bar.
// They are not interesting for followLocation, renameSymbol or find
// references so we toss them.
// For functions it can be the position of the namespace.
// E.g. Foo::bar(); cursor is on Foo
// For constructors they happen to be the only thing we have that
// actually refs the constructor and not the class so we have to keep
// them for that.
return;
}
switch (refKind) {
case CXCursor_Constructor:
if (isImplicit(ref))
return;
break;
case CXCursor_CXXMethod:
case CXCursor_FunctionDecl:
case CXCursor_FunctionTemplate: {
CXStringScope scope = clang_getCursorDisplayName(ref);
const char *data = scope.data();
if (data) {
const int len = strlen(data);
if (len > 8 && !strncmp(data, "operator", 8) && !isalnum(data[8]) && data[8] != '_') {
if (isImplicit(ref))
return; // eat implicit operator calls
isOperator = true;
}
}
break; }
default:
break;
}
const Location reffedLoc = createLocation(ref);
if (!reffedLoc.isValid()) {
if (kind == CXCursor_ObjCMessageExpr) {
mData->pendingReferenceMap[RTags::eatString(clang_getCursorUSR(clang_getCanonicalCursor(ref)))].insert(location);
// insert it, we'll hook up the target and references later
handleCursor(cursor, kind, location);
}
return;
}
std::shared_ptr<CursorInfo> &refInfo = mData->symbols[reffedLoc];
if ((!refInfo || !refInfo->symbolLength) && !handleCursor(ref, refKind, reffedLoc))
return;
refInfo->references.insert(location);
std::shared_ptr<CursorInfo> &info = mData->symbols[location];
if (!info)
info = std::make_shared<CursorInfo>();
info->targets.insert(reffedLoc);
// We need the new cursor to replace the symbolLength. This is important
// in the following case:
// struct R { R(const &r); ... }
// R foo();
// ...
// R r = foo();
// The first cursor on foo() will be a reference to the copy constructor and
// this cursor will have a symbolLength of 1. Thus you won't be able to jump
// to foo from the o. This is fixed by making sure the newer target, if
// better, gets to decide on the symbolLength
// The !isCursor is var decls and field decls where we set up a target even
// if they're not considered references
if (!RTags::isCursor(info->kind) && (!info->symbolLength || info->bestTarget(mData->symbols)->kind == refKind)) {
CXSourceRange range = clang_getCursorExtent(cursor);
CXSourceLocation rangeStart = clang_getRangeStart(range);
CXSourceLocation rangeEnd = clang_getRangeEnd(range);
unsigned startLine, startColumn, endLine, endColumn;
clang_getPresumedLocation(rangeStart, 0, &startLine, &startColumn);
clang_getPresumedLocation(rangeEnd, 0, &endLine, &endColumn);
info->startLine = startLine;
info->startColumn = startColumn;
info->endLine = endLine;
info->endColumn = endColumn;
info->definition = false;
info->kind = kind;
if (isOperator) {
unsigned start, end;
clang_getSpellingLocation(rangeStart, 0, 0, 0, &start);
clang_getSpellingLocation(rangeEnd, 0, 0, 0, &end);
info->symbolLength = end - start;
} else {
info->symbolLength = refInfo->symbolLength;
}
info->symbolName = refInfo->symbolName;
info->type = clang_getCursorType(cursor).kind;
}
}
json_t* render_type(CXType type) {
int i;
CXCursor decl = clang_getTypeDeclaration(type);
json_t* js = json_object();
enum CXTypeKind kind = type.kind;
if (type.kind == CXType_Unexposed) {
// workaround for libclang bug
if (clang_getResultType(type).kind != CXType_Invalid) {
kind = CXType_FunctionProto;
}
}
if (clang_isVolatileQualifiedType(type)) {
json_object_set_new(js, "volatile", json_true());
}
if (clang_isConstQualifiedType(type)) {
json_object_set_new(js, "const", json_true());
}
if (clang_isRestrictQualifiedType(type)) {
json_object_set_new(js, "restrict", json_true());
}
static const struct {
enum CXTypeKind kind;
const char* name;
} PRIMITIVE_TYPES[] = {
{CXType_Void, "void"},
{CXType_Bool, "bool"},
{CXType_Char_U, "char"},
{CXType_Char_S, "char"},
{CXType_UChar, "unsigned char"},
{CXType_SChar, "signed char"},
{CXType_WChar, "wchar_t"},
{CXType_Char16, "char16_t"},
{CXType_Char32, "char32_t"},
{CXType_Short, "short"},
{CXType_UShort, "unsigned short"},
{CXType_Int, "int"},
{CXType_UInt, "unsigned int"},
{CXType_Long, "long"},
{CXType_ULong, "unsigned long"},
{CXType_LongLong, "unsigned long"},
{CXType_ULongLong, "unsigned long long"},
{CXType_Int128, "__int128"},
{CXType_UInt128, "unsigned __int128"},
{CXType_Float, "float"},
{CXType_Double, "double"},
{CXType_LongDouble, "long double"}
};
switch (kind) {
case CXType_Pointer:
json_object_set_new(js, "kind", json_string("pointer"));
json_object_set_new(js, "pointee", render_type(clang_getPointeeType(type)));
return js;
case CXType_ConstantArray:
json_object_set_new(js, "kind", json_string("array"));
json_object_set_new(js, "element", render_type(clang_getArrayElementType(type)));
json_object_set_new(js, "length", json_integer(clang_getArraySize(type)));
return js;
case CXType_FunctionNoProto:
case CXType_FunctionProto:
json_object_set_new(js, "kind", json_string("function"));
json_object_set_new(js, "return", render_type(clang_getResultType(type)));
switch (clang_getFunctionTypeCallingConv(type)) {
case CXCallingConv_C:
json_object_set_new(js, "calling_convention", json_string("cdecl"));
break;
case CXCallingConv_X86StdCall:
json_object_set_new(js, "calling_convention", json_string("stdcall"));
break;
case CXCallingConv_X86FastCall:
json_object_set_new(js, "calling_convention", json_string("fastcall"));
break;
case CXCallingConv_X86ThisCall:
json_object_set_new(js, "calling_convention", json_string("thiscall"));
break;
case CXCallingConv_X86Pascal:
json_object_set_new(js, "calling_convention", json_string("pascal"));
break;
case CXCallingConv_AAPCS:
json_object_set_new(js, "calling_convention", json_string("aapcs"));
break;
case CXCallingConv_AAPCS_VFP:
json_object_set_new(js, "calling_convention", json_string("aapcs-vfp"));
break;
default:
break;
}
json_t* arguments = json_array();
for (i=0; i<clang_getNumArgTypes(type); i++) {
json_array_append_new(arguments, render_type(clang_getArgType(type, i)));
}
json_object_set_new(js, "arguments", arguments);
return js;
default:
if (clang_getCursorKind(decl) != CXCursor_NoDeclFound) {
json_object_set_new(js, "kind", json_string("ref"));
json_object_set_new(js, "id", render_string(clang_getCursorUSR(decl)));
} else {
int found = 0, i;
for (i=0; i<sizeof(PRIMITIVE_TYPES)/sizeof(PRIMITIVE_TYPES[0]); i++) {
if (PRIMITIVE_TYPES[i].kind == kind) {
json_object_set_new(js, "kind", json_string("primitive"));
json_object_set_new(js, "primitive", json_string(PRIMITIVE_TYPES[i].name));
found = 1;
break;
}
}
if (!found) {
json_object_set_new(js, "kind", json_string("unknown"));
json_object_set_new(js, "clang_kind", render_string(clang_getTypeKindSpelling(kind)));
}
}
return js;
}
}
enum CXChildVisitResult visit_program(CXCursor cursor, CXCursor parent, CXClientData data){
json_t* program = (json_t*)data;
json_t* js = NULL;
enum CXChildVisitResult ret = CXChildVisit_Continue;
switch (clang_getCursorKind(cursor)) {
case CXCursor_FunctionDecl:
case CXCursor_VarDecl:
js = json_object();
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
json_object_set_new(js, "display_name", render_string(clang_getCursorDisplayName(cursor)));
json_object_set_new(js, "type", render_type(clang_getCursorType(cursor)));
if (clang_getCursorKind(cursor) == CXCursor_FunctionDecl) {
json_object_set_new(js, "argument_names", json_array());
json_object_set_new(js, "kind", json_string("function"));
} else {
json_object_set_new(js, "kind", json_string("variable"));
}
switch (clang_getCursorLinkage(cursor)) {
case CXLinkage_Internal:
json_object_set_new(js, "linkage", json_string("static"));
break;
case CXLinkage_UniqueExternal:
json_object_set_new(js, "linkage", json_string("anonymous"));
break;
case CXLinkage_External:
break;
default:
json_object_set_new(js, "linkage", json_string("unknown"));
}
clang_visitChildren(cursor, visit_object, (CXClientData)js);
break;
case CXCursor_StructDecl:
case CXCursor_UnionDecl:
js = json_object();
json_object_set_new(js, "kind", json_string(clang_getCursorKind(cursor) == CXCursor_UnionDecl ?
"union" : "struct"));
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
json_object_set_new(js, "fields", json_array());
clang_visitChildren(cursor, visit_structure, (CXClientData)js);
ret = CXChildVisit_Recurse;
break;
case CXCursor_EnumDecl:
js = json_object();
json_object_set_new(js, "kind", json_string("enum"));
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
json_object_set_new(js, "values", json_array());
clang_visitChildren(cursor, visit_enum, (CXClientData)js);
break;
case CXCursor_TypedefDecl:
js = json_object();
json_object_set_new(js, "kind", json_string("typedef"));
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
json_object_set_new(js, "type", render_type(clang_getTypedefDeclUnderlyingType(cursor)));
ret = CXChildVisit_Recurse;
break;
case CXCursor_FieldDecl:
break;
case CXCursor_MacroDefinition:
js = json_object();
json_object_set_new(js, "kind", json_string("macro"));
{
CXToken* tokens;
unsigned ntokens, i;
CXString name = clang_getCursorSpelling(cursor);
char value_buf[1024] = "";
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
clang_tokenize(TU, clang_getCursorExtent(cursor), &tokens, &ntokens);
for (i=0; i<ntokens; i++) {
CXString str = clang_getTokenSpelling(TU, tokens[i]);
CXTokenKind tkind = clang_getTokenKind(tokens[i]);
if (i == 0 && !strcmp(clang_getCString(name), clang_getCString(str))) {
// macro name
} else if (i == ntokens - 1 &&
tkind == CXToken_Punctuation && !strcmp("#", clang_getCString(str))) {
// weird clang terminator thingy
} else if (tkind == CXToken_Comment) {
// comment
} else {
if (strlen(value_buf) > 0) {
strncat(value_buf, " ", sizeof(value_buf) - strlen(value_buf) - 1);
}
strncat(value_buf, clang_getCString(str), sizeof(value_buf) - strlen(value_buf) - 1);
}
clang_disposeString(str);
}
clang_disposeTokens(TU, tokens, ntokens);
if (strlen(value_buf) > 0) {
long int intval;
double dblval;
char* endptr_int;
char* endptr_dbl;
intval = strtol(value_buf, &endptr_int, 0);
dblval = strtod(value_buf, &endptr_dbl);
if (endptr_int[0] == 0 ||
(endptr_int[1] == 0 && strchr("UuLl", endptr_int[0]) != NULL)) {
json_object_set_new(js, "value", json_integer(intval));
} else if (endptr_dbl[0] == 0 ||
(endptr_dbl[1] == 0 && strchr("fF", endptr_dbl[0]) != NULL)) {
json_object_set_new(js, "value", json_real(dblval));
} else {
json_object_set_new(js, "value", json_string(value_buf));
}
}
}
break;
/*
case CXCursor_PreprocessingDirective:
case CXCursor_MacroExpansion:
js = json_object();
json_object_set_new(js, "kind", json_string("macro"));
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
putstring(clang_getCursorSpelling(cursor));
putstring(clang_getCursorDisplayName(cursor));
printf("%d\n", clang_getEnumConstantDeclValue(cursor));
ret = CXChildVisit_Recurse;
*/
default:
js = json_object();
json_object_set_new(js, "name", render_string(clang_getCursorSpelling(cursor)));
json_object_set_new(js, "type", render_type(clang_getCursorType(cursor)));
json_object_set_new(js, "kind", json_string("wtf"));
json_object_set_new(js, "wtf", render_string(clang_getCursorKindSpelling(clang_getCursorKind(cursor))));
}
if (js) {
json_t* str;
if (!json_object_get(program, "")) json_object_set_new(program, "", json_array());
str = render_string(clang_getCursorUSR(cursor));
if (strlen(json_string_value(str)) == 0) {
json_decref(str);
json_array_append_new(json_object_get(program, ""), js);
} else {
json_object_set_with_key_new(program, render_string(clang_getCursorUSR(cursor)), js);
}
}
return ret;
}
QString ClangParser::lookup(uint line, const QString &symbol)
{
QString result;
if (symbol.isEmpty()) {
return result;
}
int sl = symbol.length();
uint l = p->getCurrentTokenLine();
while (l >= line && p->curToken > 0) {
if (l == line) {
// already at the right line
p->curToken--; // linear search to start of the line
l = p->getCurrentTokenLine();
} else {
p->curToken /= 2; // binary search backward
l = p->getCurrentTokenLine();
}
}
bool found = false;
while (l <= line && p->curToken < p->numTokens && !found) {
CXString tokenString = clang_getTokenSpelling(p->tu, p->tokens[p->curToken]);
const char *ts = clang_getCString(tokenString);
int tl = strlen(ts);
int startIndex = p->curToken;
if (l == line && strncmp(ts, symbol.toUtf8(), tl) == 0) {
// found partial match at the correct line
int offset = tl;
while (offset < sl) {
// symbol spans multiple tokens
p->curToken++;
if (p->curToken >= p->numTokens) {
break; // end of token stream
}
l = p->getCurrentTokenLine();
clang_disposeString(tokenString);
tokenString = clang_getTokenSpelling(p->tu, p->tokens[p->curToken]);
ts = clang_getCString(tokenString);
tl = ts ? strlen(ts) : 0;
// skip over any spaces in the symbol
QChar c;
while (offset < sl && ((c = symbol[offset]) == ' ' || c == '\t' || c == '\r' || c == '\n')) {
offset++;
}
if (strncmp(ts, symbol.mid(offset).toUtf8(), tl) != 0) {
// next token matches?
break; // no match
}
offset += tl;
}
if (offset == sl) {
// symbol matches the token(s)
CXCursor c = p->cursors[p->curToken];
CXString usr = clang_getCursorUSR(c);
result = clang_getCString(usr);
clang_disposeString(usr);
found = true;
} else {
// reset token cursor to start of the search
p->curToken = startIndex;
}
}
clang_disposeString(tokenString);
p->curToken++;
if (p->curToken < p->numTokens) {
l = p->getCurrentTokenLine();
}
}
return result;
}
Utf8String Cursor::unifiedSymbolResolution() const
{
return ClangString(clang_getCursorUSR(cxCursor));
}
